Ardea Investment Management Pty Limited
- Regulatory AUM
- $6.3B
- Discretionary
- $6.3B
- Clients
- 11
- Avg AUM / client
- $572M
- Accounts
- 11
- Employees
- 32
AUM over time
Annual snapshots from Form ADV filings · as of Sep 26, 2025
Who they serve
| Client type | Clients | AUM | % of AUM |
|---|---|---|---|
| Pooled investment vehicles (non-investment companies) | 3 | $636M | 10.1% |
| State or municipal government entities | 2 | $823M | 13.1% |
| Insurance companies | 2 | $1.1B | 18.2% |
| Corporations and other businesses | 4 | $3.7B | 58.6% |
Retirement plan clients
Plans that reported this firm as an investment service provider on Form 5500 Schedule C.
| Plan | Location | Plan year |
|---|---|---|
| Plumbers & Steamfitters Local No. 452 Pension Trust Fund Board Of Trustees Plumbers Local 452 Pension Trust Fund | 2024 |
People (5)
| Name | Role / title | Credentials | With firm since | Ownership |
|---|---|---|---|---|
| Hamlyn, Tamar | Owner | Oct 2008 (18y) | ≈ 3.75% – 10% via Hamlyn Group Pty Ltd | |
| Alexander, Benjamin, John | Owner | Nov 2008 (18y) | ≈ 18.75% – 50% via Alexander Family Investments Pty Ltd. | |
| Clout, Stephen, Ross | Owner | Nov 2008 (18y) | ≈ 3.75% – 10% via S&K Clout Nominees Pty Ltd | |
| Karunakaran, Gopinath | Co Cio | Jun 2017 (9y) | Less than 5% | |
| Gan, Nicholas, Han Sheng | Director | Sep 2024 (2y) | Less than 5% |
Entity owners (Schedule A/B)
| Entity | Title / status | Since | Sch. | Ownership |
|---|---|---|---|---|
| Fidante Partners Ardea Holdings Pty Limited | Owner | Nov 2008 | A | 50% – 75% |
| Alexander Family Investments Pty Ltd. | Owner | Nov 2008 | A | 25% – 50% |
| Hamlyn Group Pty Ltd | Owner | Nov 2008 | A | 5% – 10% |
| S&K Clout Nominees Pty Ltd | Owner | Nov 2008 | A | 5% – 10% |
| Challenger Limited | Owner | Nov 2008 | B | ≈ 15.82% – 75% via Challenger Group Holdings Limited |
| Fidante Partners Holdings Pty Limited | Owner | Nov 2008 | B | ≈ 37.5% – 75% via Fidante Partners Ardea Holdings Pty Limited |
| Challenger Funds Management Holdings Pty | Owner | Nov 2008 | B | ≈ 28.13% – 75% via Fidante Partners Holdings Pty Limited |
| Challenger Group Holdings Limited | Owner | Nov 2008 | B | ≈ 21.09% – 75% via Challenger Funds Management Holdings Pty |
Undisclosed: 0% – 15% of the firm is not attributable from the filed Schedule A bands.
Estimated effective ownership (look-through of filed bands):
- Hamlyn, Tamar: 75% – 100% of Hamlyn Group Pty Ltd × 5% – 10% direct ≈ 3.75% – 10% of the firm
- Alexander, Benjamin, John: 75% – 100% of Alexander Family Investments Pty Ltd. × 25% – 50% direct ≈ 18.75% – 50% of the firm
- Clout, Stephen, Ross: 75% – 100% of S&K Clout Nominees Pty Ltd × 5% – 10% direct ≈ 3.75% – 10% of the firm
- Challenger Limited: 75% – 100% of Challenger Group Holdings Limited × 75% – 100% of Challenger Funds Management Holdings Pty × 75% – 100% of Fidante Partners Holdings Pty Limited × 75% – 100% of Fidante Partners Ardea Holdings Pty Limited × 50% – 75% direct ≈ 15.82% – 75% of the firm
- Fidante Partners Holdings Pty Limited: 75% – 100% of Fidante Partners Ardea Holdings Pty Limited × 50% – 75% direct ≈ 37.5% – 75% of the firm
- Challenger Funds Management Holdings Pty: 75% – 100% of Fidante Partners Holdings Pty Limited × 75% – 100% of Fidante Partners Ardea Holdings Pty Limited × 50% – 75% direct ≈ 28.13% – 75% of the firm
- Challenger Group Holdings Limited: 75% – 100% of Challenger Funds Management Holdings Pty × 75% – 100% of Fidante Partners Holdings Pty Limited × 75% – 100% of Fidante Partners Ardea Holdings Pty Limited × 50% – 75% direct ≈ 21.09% – 75% of the firm
Roster from the IAPD representatives feed; ownership and acquisition dates from Form ADV Schedule A/B. "Since" is the earliest filed registration or acquisition date.
Retirement plans served (1)
| Plan | Sponsor | Participants | Plan assets | As of |
|---|---|---|---|---|
| Plumbers & Steamfitters Local No. 452 Pension Trust Fund | Board Of Trustees Plumbers Local 452 Pension Trust Fund | 425 | $86.4M | 07/01/2024 |
From Form 5500 service-provider disclosures.
Documents (1 archived)
| Form | Period | Size | |
|---|---|---|---|
| Form ADV (full filing) | 09/26/2025 | 1.06 MB | View · PDF · Source ↗ |
Archived copies of the firm's regulatory filings, versioned by content hash.
Disciplinary disclosures
No disciplinary events reported on the firm's latest Form ADV filing.
How they charge
- • Percentage of assets under management
- • Performance-based fees
Services
- • Portfolio management for pooled investment vehicles
- • Portfolio management for businesses/institutional clients
Custody
Reported custodians
- J.P. Morgan $2.9B (47% of AUM) Sep 2025
- National Custodian Services (National Australia Bank) $1.7B (10% of AUM) Dec 2021
- Northern Trust $1.3B (21% of AUM) Sep 2025
- National Australia Bank Limited $1.1B (18% of AUM) Sep 2025
- Brown Brothers Harriman & Co. $594M (9% of AUM) Sep 2025
- State Street $321M (5% of AUM) Sep 2025
Amounts as reported in ADV Item 5.K.(3) (custodians holding 10%+ of SMA assets).
Firm reports it does not have custody of client funds or securities (Item 9.A).
Source
All data on this page comes from this firm's Form ADV filings, reproduced without modification. Latest filing: Sep 26, 2025.
View current Form ADV (SEC/IAPD) ↗